package Day08;

import java.util.Scanner;

public class Work4 {
    /*    【编号：804】 键盘录入一个字符串，统计该字符串中大写字母字符，
        小写字母字符，数字字符出现的次数(不考虑其他字符)*/
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
//        输入一个字符串
        System.out.println("输入一个字符串");
        String s = sc.next();
        int bigCount = 0;
        int smallCount = 0;
        int numCount = 0;
        char[] chars = s.toCharArray();
        for (int i = 0; i < chars.length; i++) {
            char c = chars[i];
            if (c >= 'A' && c <= 'Z') {
                bigCount++;
            } else if (c >= '0' && c <= '9') {
                numCount++;
            } else if (c >= 'a' && c <= 'z') {
                smallCount++;
            }
        }
        System.out.println("大写字母有:"+bigCount+"个");
        System.out.println("小写字母有:"+smallCount+"个");
        System.out.println("数字有:"+numCount+"个");
    }
}


